1
48VR---A
Performance
t
15 SEER 2---Stage Packaged
HYBRID HEAT
R
Dual Fuel System with Puron
(R---410A) Refrigerant
Single and Three Phase
2---5 Nominal Tons (Sizes 24---60)
Installation Instructions
NOTE
:
Read the entire instruction manual before starting the
installation.
NOTE
:
Installer: Make sure the Owner’s Manual and Service
Instructions are left with the unit after installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS
1
. . . . . . . . . . . . . . . . . . . . . . . . .
INTRODUCTION
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RECEIVING AND INSTALLATION
2--14
. . . . . . . . . . . . . . . . .
Check Equipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identify Unit
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspect Shipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Unit Support
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roof Curb
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Slab Mount
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field Fabricate Ductwork
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Clearances
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rig and Place Unit
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rigging/Lifting of Unit
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connect Condensate Drain
10
. . . . . . . . . . . . . . . . . . . . . . . . . .
Install Flue Hood
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Gas Piping
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Duct Connections
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Units for Downflow (Vertical)
Discharge
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Electrical Connections
13
. . . . . . . . . . . . . . . . . . . . . . . .
High--Voltage Connections
13
. . . . . . . . . . . . . . . . . . . . . . . .
Special Procedures for 208--V Operation
13
. . . . . . . . . . . . . .
Control Voltage Connections
13
. . . . . . . . . . . . . . . . . . . . . . .
Standard Connection
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heat Anticipator Setting
14
. . . . . . . . . . . . . . . . . . . . . . . . . .
Transformer Protection
14
. . . . . . . . . . . . . . . . . . . . . . . . . . .
PRE--START--UP
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP
15--29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check for Refrigerant Leaks
15
. . . . . . . . . . . . . . . . . . . . . . . . .
Start--Up Heating & Make Adjustments
15
. . . . . . . . . . . . . . . .
Check Heating Control
16
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Gas Input
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjust Gas Input
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Burner Flame
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Normal Operation
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Airflow and Temperature Rise
27
. . . . . . . . . . . . . . . . . . . . . .
Heating Sequence of Operation
27
. . . . . . . . . . . . . . . . . . . . .
Limit Switches
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rollout Switch
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start--Up Cooling & Make Adjustments
27
. . . . . . . . . . . . . . . .
Checking Cooling Control Operation
27
. . . . . . . . . . . . . . . .
Checking & Adjusting Refrigerant Charge
28
. . . . . . . . . . . .
Indoor Airflow and Airflow Adjustments
28
. . . . . . . . . . . . .
Cooling Sequence of Operation
29
. . . . . . . . . . . . . . . . . . . . .
MAINTENANCE
46--49
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Filter
46
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Blower and Motor
46
. . . . . . . . . . . . . . . . . . . . . . . . .
A09033
Fig. 1 -- Unit 48VR--A
(Low NOx Model Available)
Induced Draft (Combustion Air) Blower
47
. . . . . . . . . . . . . .
Flue Gas Passageways
47
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Limit Switch
47
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Burner Ignition
47
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Burners
47
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal of Gas Train
47
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outdoor Coil, Indoor Coil, & Condensate Drain Pan
47
. . . .
Outdoor Fan
48
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Controls and Wiring
48
. . . . . . . . . . . . . . . . . . . . .
Refrigerant Circuit
48
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Input
49
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Evaporator Airflow
49
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Puron Items
49
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING
50
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP CHECKLIST
50
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury, or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory--authorized kits or accessories
when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Have a fire extinguisher available. Read these
instructions thoroughly and follow all warnings or cautions
included in literature and attached to the unit. consult local
building codes, the current editions of the National Fuel Gas Code
(NFGC) NFPA 54/ANSI Z223.1, and the National Electrical Code
(NEC) NFPA 70.
In Canada refer to the current editions of the National Standards of
Canada CAN/CSA--B149.1 and .2 Natural Gas and Propane
Installation codes, and Canadian Electrical Code CSA C22.1
Recognize safety information. This is the safety--alert symbol
.
When you see this symbol on the unit and in instructions or manu-
als, be alert to the potential for personal injury. Understand these
Summary of Contents for Performance 15 48VR-A
Page 5: ...5 A13167 Fig 3 48VR A24 30 Unit Dimensions 48VR A ...
Page 6: ...6 A13168 Fig 4 48VR A36 60 Unit Dimensions 48VR A ...
Page 19: ...19 A13153 Fig 14 208 230 1 60 Connection Wiring Diagram Gas Inputs 40 60 90 KBtu hr 48VR A ...
Page 20: ...20 A13154 Fig 15 Cont 208 230 1 60 Ladder Wiring Diagram Gas Inputs 40 60 90 KBtu hr 48VR A ...
Page 21: ...21 A13155 Fig 15 208 230 1 60 Connection Wiring Diagram Gas Inputs 115 130 KBtu hr 48VR A ...
Page 22: ...22 A13156 Fig 16 Cont 208 230 1 60 Ladder Wiring Diagram Gas Inputs 115 130 KBtu hr 48VR A ...
Page 23: ...23 A13157 Fig 16 208 230 3 60 Connection Wiring Diagram Gas Inputs 40 60 90 KBtu hr 48VR A ...
Page 24: ...24 A13158 Fig 17 Cont 208 230 3 60 Ladder Wiring Diagram Gas Inputs 40 60 90 KBtu hr 48VR A ...
Page 25: ...25 A13159 Fig 17 208 230 3 60 Connection Wiring Diagram Gas Inputs 115 130 48VR A ...
Page 26: ...26 A13160 Fig 18 Cont 208 230 3 60 Ladder Wiring Diagram Gas Inputs 115 130 48VR A ...